Questions tagged [aeronautical-charts]
For questions relating to navigation charts, but not performance charts.
160
questions
0
votes
1answer
107 views
What is the inner dashed line on this helicopter chart?
Inside the delta for KSGR is another blue dashed circle. What is this?
4
votes
1answer
61 views
What is the difference between VFR Flyways, Corridors and Transition Routes?
What is the difference between:
VFR Flyways
VFR Corridors
VFR Transition Routes
I can find a Flyway chart on the reverse side of the TAC chart and also Transition Routes in the TAC chart. But where ...
0
votes
1answer
154 views
May an ultralight vehicle pass directly above KEGE at 9200 MSL at 1600Z with no prior authorization without violating FAR 103.17?
May an ultralight vehicle pass directly above KEGE at 9200 MSL at 1600Z with no prior authorization without violating FAR 103.17?
http://vfrmap.com/?type=vfrc&lat=39.643&lon=-106.916&zoom=...
5
votes
1answer
95 views
How can I overlay a VFR sectional on another map to identify features and landmarks?
How do I know which highways and landmarks on a VFR sectional align with which real-world features? Is there a way to overlay the VFR sectional map from the FAA on top of Google Maps or Bing?
Edit: I'...
1
vote
2answers
146 views
How can I find a final approach fix (FAF)?
I have a problem understanding FAF - how can I find FAf on a precision approach without the lightning bolt/zigzag symbol. I know the Maltese cross means FAF for a non-precision approach.
According to ...
-4
votes
1answer
122 views
Why does this VOR's compass has an arrow pointing north east?
The VOR compass here has an arrow that points to the north east. I never saw an VOR compass like that. What is the explanation?
1
vote
2answers
164 views
Stadium game at Miami blocking runways? [duplicate]
So I was looking for the Miami In in SkyVector and I saw this.
Apparently a stadium game has the power to block runways in (At least in US).
What is really going on there? I am not well acquinted ...
4
votes
1answer
90 views
What are the historical precedents of today's E2 and E4 airspace? (US)
What are the historical precedents of today's E2 and E4 airspace? From what previous airspace classes did these airspaces evolve? How do these precedents help us understand the significance of the ...
2
votes
0answers
92 views
In the US, can airspace simultaneously be E2 and E4? What happens at KSTC to the airspace in the dashed magenta boundary when the tower closes?
In the US, can the same airspace simultaneously be E2 and E4?
Consider the case of KSTC -- St. Cloud Regional Airport, MN.
http://vfrmap.com/?type=vfrc&lat=45.546&lon=-94.059&zoom=10
On ...
3
votes
3answers
242 views
Can the Class-E-to-surface airspace near Eagle County Regional airport (KEGE) and Marshall AAF (KFRI) be ignored when the tower is open?
Can the Class-E-to-surface designation indicated by the dashed magenta lines outside the dashed blue circle at Eagle County Regional airport (KEGE) be ignored when the tower is open?
Likewise at ...
2
votes
2answers
74 views
Measurement discrepancy on vfrmap dot com sectional — is the grid wrong?
At Nome Alaska-- KOME-- the E2 airspace (dashed magenta line) is listed as extending 13.2 (nautical) miles east of the airport-- according to this source page E-9 -- https://www.faa.gov/...
2
votes
1answer
74 views
Considering all US untowered airports, what is the furthest distance that E2 airspace (dashed magneta line) projects from the airport?
Considering all US untowered airports (50 states), what is the furthest distance that E2 airspace (dashed magneta line) projects from the airport for which it is designated?
Measure from the middle ...
3
votes
2answers
143 views
Why are KACV and KTLV depicted differently on sectional charts than KSGU, KBIH, and KTPL, even though each is E2 w/ E4 extensions?
This question specifically is about non-towered airports surrounded by round circles of E2 airspace, with one or more "extensions" of E4 airspace that abut the E2 airspace. Therefore it is not the ...
1
vote
1answer
47 views
Has there been a recent change in the airspace configuration at KFYV— Drake Field near Fayetteville AR?
Has there been a recent change in the airspace configuration at KFYV-- Drake Field near Fayetteville AR? If so, where can we find an official description of that change?
KFYV -- Drake Field airport ...
7
votes
1answer
270 views
What is the primary reason that the non-towered airports KACV and KTLV have E4 extensions to E2 airspace?
NOTE-- this question is not about why it was desired to protect the airspace that ended up within the E4 "extensions". Rather, this question is about why that was done by designating that airspace as ...
4
votes
1answer
297 views
Why do TACANs not have a symbol for compulsory reporting on IFR Enroute Low Altitude charts?
I am studying the IFR Enroute Low Altitude legend, and I noticed that all NAV Aids other than TACAN have a compulsory reporting point icon.
Edit: Plot twist:
They do appear on the STAR/DP legend.
...
3
votes
1answer
60 views
Why does V165 have two different MEAs over the same route section?
Why does V165 have two distinct MEAs which vary by a large factor (apart from the 180$^{\circ}$ rule of altitudes) considering they would be clearing the same obstacles and receiving signals from the ...
2
votes
3answers
66 views
Why are some legs of a SID considered transitions, even when there's only one?
For example, consider the BAYPO8 departure from Tampa (KTPA). The CAMJO waypoint is the final waypoint on a rather linear route that does not contain other final waypoints. The second page of the FAA ...
0
votes
2answers
92 views
Why there is a 'MACH' in this Compressibility Correction Chart?
I couldn't find what 'Mach 1.0' and 'Mach 0.8' are trying to indicate in the middle of the chart.
Can anybody explain about this please?
9
votes
1answer
2k views
What is “(CFMCC)” on an ILS approach chart?
I'm studying the ILS or LOC RWY 3 approach chart for KMKC. I'm trying to figure out what "(CMFCC)" at the runway means.
Is it a computer navigation aid?
8
votes
2answers
272 views
Where is this VFR reporting point (“Water Tank” near Thousand Oaks, CA) in real life?
I was looking at the VFR sectional near Thousand Oaks, California. The chart has a "WATER TANK" labeled, but I see many water tanks in Thousand Oaks on the Google Maps satellite view.
Does anyone ...
6
votes
1answer
166 views
What is the purpose of this interesting pattern of class E airspace in northwest Alaska?
Perusing SkyVector today I noticed this airspace pattern:
It can be viewed in more detail here.
I what immediately jumped out at me is that
there are no charted airports in any of this airspace;
...
0
votes
2answers
281 views
What is the radius of a VOR compass rose on a VFR sectional chart?
I thought I read somewhere that it was 10 nautical miles. Does anyone have a reference on whether that's the case or not?
I'd like to use the measurement of a compass rose to aid in my estimation of ...
0
votes
0answers
45 views
Aerodrome category, certification?
I need to know how you tell the certification of new airport just built? how can you tell if airport is certified for International flights or not? approved for intl flights or not meeting ...
17
votes
2answers
4k views
What do these white on red words indicate on a London Heathrow taxiway chart?
What do the words in white block capital letters over a red background denote on this aerodrome chart of LHR?
0
votes
0answers
456 views
What does “ACFT MAX 65/7 ” means on lido charts?
What does "ACFT MAX 65/7" on the minima box means? I found out that its related to wingspan and some vertical distance, but I still didn't get the vertical distance thing !!
3
votes
1answer
414 views
What are the differences between blue airports and green ones on the low en-route chart?
As far as I know, a brown airport on the low en-route chart does not have an approach procedure but blue and green airports do. But what exactly are the differences between these colors?
3
votes
0answers
171 views
What does the letter J mean at the start of an FAA instrument approach chart identifier?
To identify a specific Instrument Approach Chart in either the FAA Terminal Procedures Publication (TPP), or the Department of Defense (DoD) Terminal Low Altitude (TLA) Charts, the FAA uses what they ...
26
votes
7answers
9k views
What does the “DO NOT USE FOR NAVIGATION” indication mean?
Sometimes when I'm browsing IAC charts online I find a "DO NOT USE FOR NAVIGATION" notice printed on the chart. Not always though.
For example, have a look at the chart for Queenstown RNAV (RNP) Y ...
10
votes
1answer
2k views
What does 00 mean on a sectional below the airport runway information?
What does 00-50 mean on the sectional chart under PHNL (see picture)?
1
vote
0answers
57 views
Is there any example of a US VFR sectional chart containing both a reference to “Class E” airspace, and to older terminology for the same airspace?
Is there any example of a US VFR sectional chart whose legend describes the airspace depicted by the thin dashed magenta line both as "Class E" or "Class E airspace", and also with the older ...
3
votes
2answers
150 views
Re old (1993) US VFR sectional charts— when did the term “Class E” first appear?
When did the phrase "Class E" or "Class E airspace" first appear on the legend of US VFR sectional charts, to identify the meaning of the thin dashed magenta line? I'd like to narrow down the date as ...
1
vote
3answers
117 views
Re old (1992) US VFR sectional charts— when was the thin dashed magenta line first used?
When did the thin dashed magenta line, currently used to illustrate Class-E-to-surface airspace, first appear on the legend of US VFR sectional charts? I'd like to narrow down the date as precisely ...
4
votes
1answer
279 views
If an approach chart says “GPS required”, do I need GNSS capability to fly it?
If an aircraft is /Y, /C, or /I (RNAV no GNSS), can they fly an approach chart that says "DME/DME/IRU or GPS required"? GPS in my mind is a GNSS. If you don't have DME/DME/IRU and are RNAV (non-GNSS) ...
1
vote
2answers
785 views
What does the letter “D” next to the VOR frequency and name mean?
In most charts there is the letter D next to the VOR freq. What does this mean? I assume the H and L in brackets in other charts mean high and low VORs (correct me if im wrong). But what does the D ...
4
votes
1answer
780 views
What are the VOR channels used for?
I'm looking at different VORs on a sectional chart and I see the frequencies but I also see a channel number associated with them as well. What are these channel numbers and how do you use them?
2
votes
4answers
591 views
How does one determine the elevation on a sectional?
(Refer to figure 21) How does one determine the elevation variation of the light tan area between Minot (area 1) and Audubon Lake (area 2)?
A. 2,000 ft to 2,500 ft MSL.
B. 2,000 ft to 2,700 ft ...
4
votes
1answer
609 views
Where is V15 and how do I find it?
My question: Where is V15 and how do I find it?
The question referred to in the practice test:
Refer to the figure 21, area 2 below: What is the floor of controlled airspace along V15?
The ...
2
votes
3answers
122 views
What time do NOS IFR Charts expire?
My charts have 13 September 2018 on them. What time do they expire?
I thought at Midnight that night local time, but have been unable to find any corroborating evidence.
4
votes
1answer
1k views
Does anyone know what this approach chart symbol is?
Does anyone know what the little “shell” like symbol on the taxi diagram is, under the 2239? Also, what do the little “P”s stand for? One is bolded and the other is not.
The 'shell' and the two 'P's ...
1
vote
2answers
1k views
What is the role of an intermediate fix?
There are the IAF and the FAF, which has clear roles. One is where you start the approach and the other where you start to descent and end the approach. But what is the purpose of an Intermediate fix?
1
vote
1answer
218 views
Is ATC clearance or permission required to fly helicopter routes and transitions in the Los Angeles area?
Skyvector has Los Angeles helicopter charts here and here.
Are pilots required to obtain ATC clearance or permission to fly helicopter routes and transitions?
15
votes
2answers
2k views
What does “MERMA” mean on the Los Angeles TAC chart?
Just wondering what "MERMA" means on the Los Angeles TAC chart:
2
votes
2answers
250 views
Why are some non-towered airports charted with an empty circle?
Guntly Memorial Airport (62C) is shown as an empty circle with four hash marks around the edges. Why is it empty versus some of the other airports around (such as 96C, C89, BUU, etc.) that have a ...
4
votes
3answers
2k views
Is there a difference between a chart and map?
Does the use or meaning of "chart" or "map" vary worldwide?
Is there a difference between a chart and map?
0
votes
0answers
71 views
What are some of the bigger differences world wide in VFR charts?
While discussing Aviation Charts in this SE question, JanHudec & Jwentin commented that VFR chart symbols are not internationally standardized - including airspace names and procedures.
What are ...
1
vote
1answer
425 views
What does “ATS climb gradient” mean?
On a Jeppesen SID chart, the climb gradient is not standard, because it's greater than 3.3%. What specifically does the ATS (7.4%) climb gradient mean?
3
votes
1answer
117 views
What is the difference between the red and black box identifiers on UK airport charts?
On UK airport charts like the one below for Manchester (EGCC), what is the difference between an identifier with white lettering on a red square and one with yellow lettering on a black square with a ...
1
vote
1answer
113 views
Are there downloadable versions of the Canadian VNC and VTA charts?
Are there PDF versions of Canadian VNC and VTA charts available for download? I fly in Australia where airservices lists them on their website so I was hoping to find something similar for Canada.
2
votes
1answer
2k views
What does AOE on the sectional chart mean?
What does the AOE notation on the sectional stand for? This appears at the bottom of the information for an airport as the final line.
